DAYTON, OH — Unusually low dewpoints settled across southwest Ohio Wednesday morning, with readings in the upper 40s and low 50s recorded shortly after 5:30 a.m., according to the latest data. The dry air mass gave the region a distinct September-like feel, a notable departure from typical July humidity levels.
Widespread Low Readings Across The Region
Dayton recorded the lowest dewpoint in the region at 45.9 degrees, with Greenville and Springfield close behind at 46.4 and 46.9 degrees respectively. Richmond came in at 47.1 degrees, while Bellefontaine and Xenia registered 47.6 and 47.4 degrees.
Celina and Portland each recorded readings of 48.1 degrees, with Sidney at 48.6 degrees and Lebanon at 48.4 degrees. Wapakoneta measured 48.9 degrees, while Troy and Urbana both recorded 49.9 degrees. Connersville came in slightly higher at 49.6 degrees.
Southern Areas See Slightly Higher Values
Farther south and east, dewpoint values climbed a bit higher, though still remaining comfortably dry for July. Wilmington and London both registered right around 50.1 degrees, while Hamilton measured 51.9 degrees. Washington Court House recorded 52.9 degrees.
The highest readings in the region were found near Batavia at 55.1 degrees and Hillsboro at 55.8 degrees, both still reflecting a notably drier air mass than typical for late July across the area.
Dry Air Expected To Persist Through The Afternoon
The unusually dry air mass was expected to continue through the afternoon hours across southwest Ohio, providing a rare stretch of comfortable, low-humidity conditions in the heart of summer…